Credit: Sara Jaye Weiss

Nick Lachey is just as devastated as Jessica Simpson that their pooch was snatched by a coyote last month.

"I think a lot of people forget that Daisy was my dog too -- for years," Lachey, 35, who gifted the five-year-old maltipoo to his ex wife, 29, tells Access Hollywood.

Lachey -- who has been promoting his reverse auction site, --  admits he's been thinking about Simpson a lot after hearing about Daisy's fate.

"I didn't reach out to her," he says. "I'm sure she was upset ... I was upset ... It was sad to hear that happened, but it's part of the cycle of life."

After Simpson's pup was grabbed by the coyote near her Los Angeles home, she wrote on Twitter: "A coyote took my precious Daisy right in front of our eyes. HORROR! We are searching. Hoping. Please help!"

She also hired a professional dog finding service to contact 1,000 neighbors and offered a reward -- but called off the search within three days.